Minimum weight and the best possible handling in alpine terrain the Wall Express Set quickdraw is the first choice for Mammut Pro Team athletes when tackling the most difficult alpine climbs, e.g. the Cerro Torre or the Trango Tower. The practical version, which can be extended to 60 cm, allows you to reduce rope tension considerably when traversing or changing route. Note that this item of climbing safety equipment is non returnable. Please call us toll free at 877 236 8428 or e mail bentgatebentgate.com with any questions.